Lines Matching +full:bat +full:- +full:present
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * battery.c - ACPI Battery Driver (Revision: 2.0)
6 * Copyright (C) 2004-2007 Vladimir Lebedev <vladimir.p.lebedev@intel.com>
81 * Pre-2010 and 2012 models appear to always report in mWh and
83 * and x230). Also, in mid-2012 Lenovo issued a BIOS update for
85 * post-1.29 BIOS), but as of Nov. 2012, no such update is
98 struct power_supply *bat; member
136 return battery->device->status.battery_present; in acpi_battery_present()
141 if (!strcasecmp("NiCd", battery->type)) in acpi_battery_technology()
143 if (!strcasecmp("NiMH", battery->type)) in acpi_battery_technology()
145 if (!strcasecmp("LION", battery->type)) in acpi_battery_technology()
147 if (!strncasecmp("LI-ION", battery->type, 6)) in acpi_battery_technology()
149 if (!strcasecmp("LiP", battery->type)) in acpi_battery_technology()
159 if (battery->state != 0) in acpi_battery_is_charged()
163 if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN || in acpi_battery_is_charged()
164 battery->capacity_now == 0) in acpi_battery_is_charged()
168 if (battery->full_charge_capacity == battery->capacity_now) in acpi_battery_is_charged()
172 if (battery->design_capacity <= battery->capacity_now) in acpi_battery_is_charged()
181 return ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && in acpi_battery_is_degraded()
182 ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity) && in acpi_battery_is_degraded()
183 battery->full_charge_capacity < battery->design_capacity; in acpi_battery_is_degraded()
194 battery->rate_now == 0) in acpi_battery_handle_discharging()
208 /* run battery update only if it is present */ in acpi_battery_get_property()
211 return -ENODEV; in acpi_battery_get_property()
214 if (battery->state & ACPI_BATTERY_STATE_DISCHARGING) in acpi_battery_get_property()
215 val->intval = acpi_battery_handle_discharging(battery); in acpi_battery_get_property()
216 else if (battery->state & ACPI_BATTERY_STATE_CHARGING) in acpi_battery_get_property()
217 val->intval = POWER_SUPPLY_STATUS_CHARGING; in acpi_battery_get_property()
219 val->intval = POWER_SUPPLY_STATUS_FULL; in acpi_battery_get_property()
221 val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; in acpi_battery_get_property()
224 val->intval = acpi_battery_present(battery); in acpi_battery_get_property()
227 val->intval = acpi_battery_technology(battery); in acpi_battery_get_property()
230 val->intval = battery->cycle_count; in acpi_battery_get_property()
233 if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
234 ret = -ENODEV; in acpi_battery_get_property()
236 val->intval = battery->design_voltage * 1000; in acpi_battery_get_property()
239 if (battery->voltage_now == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
240 ret = -ENODEV; in acpi_battery_get_property()
242 val->intval = battery->voltage_now * 1000; in acpi_battery_get_property()
246 if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
247 ret = -ENODEV; in acpi_battery_get_property()
249 val->intval = battery->rate_now * 1000; in acpi_battery_get_property()
253 if (!ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) in acpi_battery_get_property()
254 ret = -ENODEV; in acpi_battery_get_property()
256 val->intval = battery->design_capacity * 1000; in acpi_battery_get_property()
260 if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity)) in acpi_battery_get_property()
261 ret = -ENODEV; in acpi_battery_get_property()
263 val->intval = battery->full_charge_capacity * 1000; in acpi_battery_get_property()
267 if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
268 ret = -ENODEV; in acpi_battery_get_property()
270 val->intval = battery->capacity_now * 1000; in acpi_battery_get_property()
273 if (ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity)) in acpi_battery_get_property()
274 full_capacity = battery->full_charge_capacity; in acpi_battery_get_property()
275 else if (ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) in acpi_battery_get_property()
276 full_capacity = battery->design_capacity; in acpi_battery_get_property()
278 if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN || in acpi_battery_get_property()
280 ret = -ENODEV; in acpi_battery_get_property()
282 val->intval = battery->capacity_now * 100/ in acpi_battery_get_property()
286 if (battery->state & ACPI_BATTERY_STATE_CRITICAL) in acpi_battery_get_property()
287 val->intval = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; in acpi_battery_get_property()
288 else if (test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) && in acpi_battery_get_property()
289 (battery->capacity_now <= battery->alarm)) in acpi_battery_get_property()
290 val->intval = POWER_SUPPLY_CAPACITY_LEVEL_LOW; in acpi_battery_get_property()
292 val->intval = POWER_SUPPLY_CAPACITY_LEVEL_FULL; in acpi_battery_get_property()
294 val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; in acpi_battery_get_property()
297 val->strval = battery->model_number; in acpi_battery_get_property()
300 val->strval = battery->oem_info; in acpi_battery_get_property()
303 val->strval = battery->serial_number; in acpi_battery_get_property()
306 ret = -EINVAL; in acpi_battery_get_property()
434 if (package->type != ACPI_TYPE_PACKAGE) in extract_package()
435 return -EFAULT; in extract_package()
437 if (package->package.count <= i) in extract_package()
438 return -EFAULT; in extract_package()
439 element = &package->package.elements[i]; in extract_package()
444 switch (element->type) { in extract_package()
446 if (len > element->buffer.length + 1) in extract_package()
447 len = element->buffer.length + 1; in extract_package()
451 strscpy(ptr, element->string.pointer, len); in extract_package()
455 strscpy(ptr, (u8 *)&element->integer.value, sizeof(u64) + 1); in extract_package()
463 *x = (element->type == ACPI_TYPE_INTEGER) ? in extract_package()
464 element->integer.value : -1; in extract_package()
472 if (acpi_bus_get_status(battery->device)) { in acpi_battery_get_status()
473 acpi_handle_info(battery->device->handle, in acpi_battery_get_status()
475 return -ENODEV; in acpi_battery_get_status()
485 int result = -EFAULT; in extract_battery_info()
488 result = extract_package(battery, buffer->pointer, in extract_battery_info()
490 ARRAY_SIZE(extended_info_offsets) - 1); in extract_battery_info()
492 result = extract_package(battery, buffer->pointer, in extract_battery_info()
496 result = extract_package(battery, buffer->pointer, in extract_battery_info()
498 if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)) in extract_battery_info()
499 battery->full_charge_capacity = battery->design_capacity; in extract_battery_info()
500 if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags) && in extract_battery_info()
501 battery->power_unit && battery->design_voltage) { in extract_battery_info()
502 battery->design_capacity = battery->design_capacity * in extract_battery_info()
503 10000 / battery->design_voltage; in extract_battery_info()
504 battery->full_charge_capacity = battery->full_charge_capacity * in extract_battery_info()
505 10000 / battery->design_voltage; in extract_battery_info()
506 battery->design_capacity_warning = in extract_battery_info()
507 battery->design_capacity_warning * in extract_battery_info()
508 10000 / battery->design_voltage; in extract_battery_info()
517 if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags) && in extract_battery_info()
518 battery->capacity_now > battery->full_charge_capacity) in extract_battery_info()
519 battery->capacity_now = battery->full_charge_capacity; in extract_battery_info()
526 const int xinfo = test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags); in acpi_battery_get_info()
528 int result = -ENODEV; in acpi_battery_get_info()
534 for (use_bix = xinfo ? 1 : 0; use_bix >= 0; use_bix--) { in acpi_battery_get_info()
538 mutex_lock(&battery->lock); in acpi_battery_get_info()
539 status = acpi_evaluate_object(battery->device->handle, in acpi_battery_get_info()
542 mutex_unlock(&battery->lock); in acpi_battery_get_info()
545 acpi_handle_info(battery->device->handle, in acpi_battery_get_info()
574 if (battery->update_time && in acpi_battery_get_state()
575 time_before(jiffies, battery->update_time + in acpi_battery_get_state()
579 mutex_lock(&battery->lock); in acpi_battery_get_state()
580 status = acpi_evaluate_object(battery->device->handle, "_BST", in acpi_battery_get_state()
582 mutex_unlock(&battery->lock); in acpi_battery_get_state()
585 acpi_handle_info(battery->device->handle, in acpi_battery_get_state()
588 return -ENODEV; in acpi_battery_get_state()
593 battery->update_time = jiffies; in acpi_battery_get_state()
596 /* For buggy DSDTs that report negative 16-bit values for either in acpi_battery_get_state()
600 if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA && in acpi_battery_get_state()
601 battery->rate_now != ACPI_BATTERY_VALUE_UNKNOWN && in acpi_battery_get_state()
602 (s16)(battery->rate_now) < 0) { in acpi_battery_get_state()
603 battery->rate_now = abs((s16)battery->rate_now); in acpi_battery_get_state()
607 if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags) in acpi_battery_get_state()
608 && battery->capacity_now >= 0 && battery->capacity_now <= 100) in acpi_battery_get_state()
609 battery->capacity_now = (battery->capacity_now * in acpi_battery_get_state()
610 battery->full_charge_capacity) / 100; in acpi_battery_get_state()
611 if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags) && in acpi_battery_get_state()
612 battery->power_unit && battery->design_voltage) { in acpi_battery_get_state()
613 battery->capacity_now = battery->capacity_now * in acpi_battery_get_state()
614 10000 / battery->design_voltage; in acpi_battery_get_state()
616 if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags) && in acpi_battery_get_state()
617 battery->capacity_now > battery->full_charge_capacity) in acpi_battery_get_state()
618 battery->capacity_now = battery->full_charge_capacity; in acpi_battery_get_state()
628 !test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags)) in acpi_battery_set_alarm()
629 return -ENODEV; in acpi_battery_set_alarm()
631 mutex_lock(&battery->lock); in acpi_battery_set_alarm()
632 status = acpi_execute_simple_method(battery->device->handle, "_BTP", in acpi_battery_set_alarm()
633 battery->alarm); in acpi_battery_set_alarm()
634 mutex_unlock(&battery->lock); in acpi_battery_set_alarm()
637 return -ENODEV; in acpi_battery_set_alarm()
639 acpi_handle_debug(battery->device->handle, "Alarm set to %d\n", in acpi_battery_set_alarm()
640 battery->alarm); in acpi_battery_set_alarm()
648 if (!acpi_has_method(battery->device->handle, "_BTP")) { in acpi_battery_init_alarm()
649 clear_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags); in acpi_battery_init_alarm()
652 set_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags); in acpi_battery_init_alarm()
653 if (!battery->alarm) in acpi_battery_init_alarm()
654 battery->alarm = battery->design_capacity_warning; in acpi_battery_init_alarm()
664 return sprintf(buf, "%d\n", battery->alarm * 1000); in acpi_battery_alarm_show()
675 battery->alarm = x/1000; in acpi_battery_alarm_store()
697 * platform-specific behaviour within the generic driver in a
712 * de-register all the batteries that are registered. in battery_hook_unregister_unlocked()
715 if (!hook->remove_battery(battery->bat, hook)) in battery_hook_unregister_unlocked()
716 power_supply_changed(battery->bat); in battery_hook_unregister_unlocked()
718 list_del_init(&hook->list); in battery_hook_unregister_unlocked()
720 pr_info("extension unregistered: %s\n", hook->name); in battery_hook_unregister_unlocked()
731 if (!list_empty(&hook->list)) in battery_hook_unregister()
743 list_add(&hook->list, &battery_hook_list); in battery_hook_register()
751 if (hook->add_battery(battery->bat, hook)) { in battery_hook_register()
753 * If a add-battery returns non-zero, in battery_hook_register()
758 pr_err("extension failed to load: %s", hook->name); in battery_hook_register()
763 power_supply_changed(battery->bat); in battery_hook_register()
765 pr_info("new extension: %s\n", hook->name); in battery_hook_register()
781 INIT_LIST_HEAD(&battery->list); in battery_hook_add_battery()
782 list_add(&battery->list, &acpi_battery_list); in battery_hook_add_battery()
791 if (hook_node->add_battery(battery->bat, hook_node)) { in battery_hook_add_battery()
797 hook_node->name); in battery_hook_add_battery()
814 hook->remove_battery(battery->bat, hook); in battery_hook_remove_battery()
817 list_del(&battery->list); in battery_hook_remove_battery()
844 if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && in sysfs_add_battery()
845 !ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) in sysfs_add_battery()
848 if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) { in sysfs_add_battery()
850 battery->bat_desc.properties = in sysfs_add_battery()
852 battery->bat_desc.num_properties = in sysfs_add_battery()
855 battery->bat_desc.properties = charge_battery_props; in sysfs_add_battery()
856 battery->bat_desc.num_properties = in sysfs_add_battery()
861 battery->bat_desc.properties = in sysfs_add_battery()
863 battery->bat_desc.num_properties = in sysfs_add_battery()
866 battery->bat_desc.properties = energy_battery_props; in sysfs_add_battery()
867 battery->bat_desc.num_properties = in sysfs_add_battery()
872 battery->bat_desc.name = acpi_device_bid(battery->device); in sysfs_add_battery()
873 battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY; in sysfs_add_battery()
874 battery->bat_desc.get_property = acpi_battery_get_property; in sysfs_add_battery()
876 battery->bat = power_supply_register_no_ws(&battery->device->dev, in sysfs_add_battery()
877 &battery->bat_desc, &psy_cfg); in sysfs_add_battery()
879 if (IS_ERR(battery->bat)) { in sysfs_add_battery()
880 int result = PTR_ERR(battery->bat); in sysfs_add_battery()
882 battery->bat = NULL; in sysfs_add_battery()
891 mutex_lock(&battery->sysfs_lock); in sysfs_remove_battery()
892 if (!battery->bat) { in sysfs_remove_battery()
893 mutex_unlock(&battery->sysfs_lock); in sysfs_remove_battery()
897 power_supply_unregister(battery->bat); in sysfs_remove_battery()
898 battery->bat = NULL; in sysfs_remove_battery()
899 mutex_unlock(&battery->sysfs_lock); in sysfs_remove_battery()
908 if (dm->type == DMI_ENTRY_PORTABLE_BATTERY && dm->length >= 8) { in find_battery()
912 if (dm->length >= 18) in find_battery()
914 if (battery->design_capacity * battery->design_voltage / 1000 in find_battery()
916 battery->design_capacity * 10 == dmi_capacity) in find_battery()
918 &battery->flags); in find_battery()
936 if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)) in acpi_battery_quirks()
939 if (battery->full_charge_capacity == 100 && in acpi_battery_quirks()
940 battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN && in acpi_battery_quirks()
941 battery->capacity_now >= 0 && battery->capacity_now <= 100) { in acpi_battery_quirks()
942 set_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags); in acpi_battery_quirks()
943 battery->full_charge_capacity = battery->design_capacity; in acpi_battery_quirks()
944 battery->capacity_now = (battery->capacity_now * in acpi_battery_quirks()
945 battery->full_charge_capacity) / 100; in acpi_battery_quirks()
948 if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags)) in acpi_battery_quirks()
951 if (battery->power_unit && dmi_name_in_vendors("LENOVO")) { in acpi_battery_quirks()
958 &battery->flags) && in acpi_battery_quirks()
959 battery->design_voltage) { in acpi_battery_quirks()
960 battery->design_capacity = in acpi_battery_quirks()
961 battery->design_capacity * in acpi_battery_quirks()
962 10000 / battery->design_voltage; in acpi_battery_quirks()
963 battery->full_charge_capacity = in acpi_battery_quirks()
964 battery->full_charge_capacity * in acpi_battery_quirks()
965 10000 / battery->design_voltage; in acpi_battery_quirks()
966 battery->design_capacity_warning = in acpi_battery_quirks()
967 battery->design_capacity_warning * in acpi_battery_quirks()
968 10000 / battery->design_voltage; in acpi_battery_quirks()
969 battery->capacity_now = battery->capacity_now * in acpi_battery_quirks()
970 10000 / battery->design_voltage; in acpi_battery_quirks()
975 if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags)) in acpi_battery_quirks()
979 battery->capacity_now > battery->full_charge_capacity) { in acpi_battery_quirks()
980 set_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags); in acpi_battery_quirks()
981 battery->capacity_now = battery->full_charge_capacity; in acpi_battery_quirks()
994 battery->update_time = 0; in acpi_battery_update()
1001 if (!battery->update_time) { in acpi_battery_update()
1013 if (!battery->bat) { in acpi_battery_update()
1023 if ((battery->state & ACPI_BATTERY_STATE_CRITICAL) || in acpi_battery_update()
1024 (test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) && in acpi_battery_update()
1025 (battery->capacity_now <= battery->alarm))) in acpi_battery_update()
1026 acpi_pm_wakeup_event(&battery->device->dev); in acpi_battery_update()
1035 if (!battery->bat) in acpi_battery_refresh()
1038 power_unit = battery->power_unit; in acpi_battery_refresh()
1042 if (power_unit == battery->power_unit) in acpi_battery_refresh()
1059 old = battery->bat; in acpi_battery_notify()
1061 * On Acer Aspire V5-573G notifications are sometimes triggered too in acpi_battery_notify()
1071 acpi_bus_generate_netlink_event(device->pnp.device_class, in acpi_battery_notify()
1072 dev_name(&device->dev), event, in acpi_battery_notify()
1076 if (old && battery->bat) in acpi_battery_notify()
1077 power_supply_changed(battery->bat); in acpi_battery_notify()
1093 if (battery->bat) { in battery_notify()
1140 DMI_MATCH(DMI_PRODUCT_NAME, "PC-LZ750LS"),
1144 /* Acer Aspire V5-573G */
1148 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-573G"),
1158 /* Above matches are too generic, add bios-date match */
1185 for (retry = 5; retry; retry--) { in acpi_battery_update_retry()
1201 return -EINVAL; in acpi_battery_add()
1203 if (device->dep_unmet) in acpi_battery_add()
1204 return -EPROBE_DEFER; in acpi_battery_add()
1208 return -ENOMEM; in acpi_battery_add()
1209 battery->device = device; in acpi_battery_add()
1212 device->driver_data = battery; in acpi_battery_add()
1213 mutex_init(&battery->lock); in acpi_battery_add()
1214 mutex_init(&battery->sysfs_lock); in acpi_battery_add()
1215 if (acpi_has_method(battery->device->handle, "_BIX")) in acpi_battery_add()
1216 set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags); in acpi_battery_add()
1223 device->status.battery_present ? "present" : "absent"); in acpi_battery_add()
1225 battery->pm_nb.notifier_call = battery_notify; in acpi_battery_add()
1226 register_pm_notifier(&battery->pm_nb); in acpi_battery_add()
1228 device_init_wakeup(&device->dev, 1); in acpi_battery_add()
1238 device_init_wakeup(&device->dev, 0); in acpi_battery_add()
1239 unregister_pm_notifier(&battery->pm_nb); in acpi_battery_add()
1242 mutex_destroy(&battery->lock); in acpi_battery_add()
1243 mutex_destroy(&battery->sysfs_lock); in acpi_battery_add()
1261 device_init_wakeup(&device->dev, 0); in acpi_battery_remove()
1262 unregister_pm_notifier(&battery->pm_nb); in acpi_battery_remove()
1265 mutex_destroy(&battery->lock); in acpi_battery_remove()
1266 mutex_destroy(&battery->sysfs_lock); in acpi_battery_remove()
1277 return -EINVAL; in acpi_battery_resume()
1281 return -EINVAL; in acpi_battery_resume()
1283 battery->update_time = 0; in acpi_battery_resume()
1320 return -ENODEV; in acpi_battery_init()